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Manfred Sattler commented on JCR-2933:
--------------------------------------
Hello Alex.
I see the Sql2 is far from usuability.
My Customer-Application has an Query Generator, this highly depends on SQL2.
I have this implemented some time ago, with jackrabbit 2.0.0.
With the old sql2. This worked, but very slow.
In the lasttime then i haved patched the old Sql2-Implementierung(A bit hackish),
but this works much more better as the new implementierung.
Now i was just about to go with the mainstream and use the new implementation, but i have not so much hope, that this will work.
> SQL2 Left Outer Join
> --------------------
>
> Key: JCR-2933
> URL: https://issues.apache.org/jira/browse/JCR-2933
> Project: Jackrabbit Content Repository
> Issue Type: Bug
> Components: jackrabbit-core
> Affects Versions: 2.2.4
> Reporter: Manfred Sattler
> Assignee: Jukka Zitting
> Attachments: JCR-2933-v2.patch, JCR-2933-v3.patch, JCR-2933.patch
>
>
> Create this nodes.
> def n1 = root.addNode("node1", "sling:SamplePage");
> n1.setProperty("n1prop1", "page1");
> def n2 = n1.addNode("node2", "sling:SampleContent");
> n2.setProperty("n2prop1", "content1");
> Execute this Query:
> Select * from [sling:SamplePage] as page left outer join [sling:SampleContent] as content on ISDESCENDANTNODE(content,page) where page.n1prop1 = 'page1' and content.n2prop1 = 'content1';
> The resultset have 1 row with 2 Nodes. This OK.
> Then execute this:
> Select * from [sling:SamplePage] as page left outer join [sling:SampleContent] as content on ISDESCENDANTNODE(content,page) where page.n1prop1 = 'page1' and content.n2prop1 = 'XXXXX';
> The resultset has 1 row with 1 node.
> This wrong. The result should be 0 rows.
> Old Versions, prior 2.2.2 have also 0 rows as result.
> Also, if nodes "n2" not exists, jackrabbit reports 1 row as result.
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